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The Normal Distribution

The Normal Distribution. The average (mean) IQ in America is 100 with a standard deviation of 15. Assume that IQs are normally distributed. a. Find the percentage of people with IQ lower than 69.

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The Normal Distribution

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  1. The Normal Distribution

  2. The average (mean) IQ in America is 100 with a standard deviation of 15. Assume that IQs are normally distributed. a. Find the percentage of people with IQ lower than 69.

  3. The average (mean) IQ in America is 100 with a standard deviation of 15. Assume that IQs are normally distributed. b. Find the probability that a person would have an IQ higher than 106.

  4. The average (mean) IQ in America is 100 with a standard deviation of 15. Assume that IQs are normally distributed. c. Find the percent of people who have an IQ between 69 and 106.

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